Pioneer A-656 amplifier

Pioneer A-656 amplifier

technical condition
fully functional

please see original photos

Technical data

Continuous power (at harmonic distortion)
8 Ohm: 2x 70 W (0.005%), 2x 80 Watt DIN
4 Ohm: 2x 95 W (0.008%)), 2x 120 Watt DIN
Dynamic performance
8 ohms: 2x 100 W
4 ohms: 2x 150 W
2 ohms: 2x 200 W
Total harmonic distortion: 0.005%
Damping factor: 200 / 70 (8 ohms, 1 kHz / 20 – 20 kHz)
Frequency response: 5 – 80,000 Hz (0.05%, 8 ohms)
Signal-to-noise ratio: 110 dB (high level), 95 dB (Phono MM), 77 dB (Phono MC), each according to IHF
Stereo channel separation:
Tone control:
Bass: yes, ±8db (100 Hz)
Treble: yes, ±8db (10 kHz)
Loudness: yes, +5 db (100 Hz)/+3 db (10 kHz)
High filter: no
Low filter (subsonic): yes, 17 Hz (12 db/oct.)
Mute: no
Direct/Line Straight: yes

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